User cobaltduck

54 votes

If I travelled in time to 1979... would my smartphone's gps still work?

answered Sep 7, 2016 at 17:41

44 votes

Accepted

Can asteroid fields exist in local systems?

answered Jun 7, 2016 at 13:19

43 votes

Accepted

Could a large bird be used as transportation?

answered Mar 21, 2016 at 21:03

39 votes

Plausible reason for women not to be allowed outside settlements?

answered Apr 14, 2018 at 12:56

30 votes

How to justify powerful magic items being for sale in a high-magic world?

answered Apr 28, 2017 at 18:06

27 votes

Accepted

Could elves revolve their ears to listen to sounds?

answered Aug 27, 2017 at 22:57

25 votes

How long would it take for a U.S. dollar bill to rot?

answered Jan 13, 2016 at 19:56

24 votes

How does an AI keep its Human Pets Happy?

answered Feb 16, 2016 at 16:11

24 votes

Accepted

What is plausible biology of ocean-dwelling, tool-using, intelligent creatures?

answered Dec 28, 2016 at 16:52

22 votes

How to realistically explain a creature that eats dreams and nightmares?

answered Aug 16, 2016 at 14:14

21 votes

How could the English language gradually dwindle to just one word?

answered Aug 15, 2016 at 13:31

20 votes

How wide can a river be?

answered Jan 27, 2016 at 16:23

18 votes

Accepted

Mermaid architecture

answered Dec 2, 2015 at 17:29

15 votes

Accepted

Anatomically Correct Harpy

answered Feb 25, 2016 at 16:38

14 votes

Accepted

Adaptive Civilizations Die Hard

answered Apr 14, 2017 at 15:29

13 votes

Parrots for tone-deaf people where magic is performed through song (followup)

answered Jan 16, 2019 at 12:45

12 votes

Planet of the Aves: First Steps

answered Aug 12, 2016 at 19:34

12 votes

What happens to an empty, modern city?

answered Feb 17, 2016 at 19:01

11 votes

Accepted

If I had an alien race, how would they interpret our numerical characters as being numbers?

answered Jan 29, 2016 at 20:40

11 votes

How to hide the fact of a global hibernation from the world after everyone wakes up?

answered Dec 15, 2016 at 15:30

11 votes

Accepted

Anatomically Correct Mesopelagic Aves

answered Mar 28, 2019 at 13:08

11 votes

What historical events would have to change in order to make 19th century "steampunk" technology possible?

answered Apr 2, 2019 at 11:43

9 votes

If Michigan had never become the center of the auto industry, what would it be known for?

answered Dec 7, 2017 at 20:48

8 votes

Accepted

What is the basis for a hot summer and a cold winter climate?

answered Jan 20, 2016 at 14:56

8 votes

What earth conditions would make a permanent bronze-colored sky?

answered Dec 17, 2015 at 15:10

8 votes

Would it be possible to skip an asteroid off of a planet's atmosphere?

answered Mar 17, 2016 at 18:17

7 votes

Dragons and Hair

answered Aug 13, 2016 at 16:36

7 votes

Two or more advanced civilizations aren't even aware of each other

answered Mar 30, 2017 at 16:39

7 votes

Accepted

How to construct a loud sonic bomb?

answered Mar 2, 2017 at 19:11

7 votes

The Galaxy has been colonised but why the big feet?

answered Jan 16, 2019 at 17:48

Stack Exchange Network

84 Answers

If I travelled in time to 1979... would my smartphone's gps still work?

Can asteroid fields exist in local systems?

Could a large bird be used as transportation?

Plausible reason for women not to be allowed outside settlements?

How to justify powerful magic items being for sale in a high-magic world?

Could elves revolve their ears to listen to sounds?

How long would it take for a U.S. dollar bill to rot?

How does an AI keep its Human Pets Happy?

What is plausible biology of ocean-dwelling, tool-using, intelligent creatures?

How to realistically explain a creature that eats dreams and nightmares?

How could the English language gradually dwindle to just one word?

How wide can a river be?

Mermaid architecture

Anatomically Correct Harpy

Adaptive Civilizations Die Hard

Parrots for tone-deaf people where magic is performed through song (followup)

Planet of the Aves: First Steps

What happens to an empty, modern city?

If I had an alien race, how would they interpret our numerical characters as being numbers?

How to hide the fact of a global hibernation from the world after everyone wakes up?

Anatomically Correct Mesopelagic Aves

What historical events would have to change in order to make 19th century "steampunk" technology possible?

If Michigan had never become the center of the auto industry, what would it be known for?

What is the basis for a hot summer and a cold winter climate?

What earth conditions would make a permanent bronze-colored sky?

Would it be possible to skip an asteroid off of a planet's atmosphere?

Dragons and Hair

Two or more advanced civilizations aren't even aware of each other

How to construct a loud sonic bomb?

The Galaxy has been colonised but why the big feet?